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I just installed the PA12-BMW into my 2001 330ci, and it is not working properly. I have read the owners manual, as well as researched as much as I can think to, but I can't figure it out. Here's my problem:

The car will not recognize the USA Spec unless I switch DIP #1 OFF then ON again. When I do that I can hear audio from my phone for 1-2 seconds, then it stops and the car no longer recognizes the unit. My car also doesn't let me enter CD mode (USA Spec unit) unless DIP #1 is off. I am using the dock cable, not the AUX rca cable.

Has anyone run into this issue, or have ideas on what else to try?

p.s. I had DICE installed which worked fine for years, then it started to not recognize my phone over time. That's why I made the switch to USA Spec.

Take a close look at the markings of the actual switch vs. the label on the exterior of the case. On mine, the dip switch was installed upside down so I use the markings on the switch, not the case. Happy Listening!

USA Spec actually got back to me the same day that I emailed them, but still couldn't figure out what was wrong. After more troubleshooting, I realized it was my iPhone! It is no longer recognized when plugged into any dock anymore! The PA12 works great, and their customer service was also great. No complaints, other than I have to get a new iPhone.